Home / 2,620,579,966,355.10-3,930,869,949,532.70-1,278,348,768,198.30

Finding the Fourth Proportional to 2,620,579,966,355.10, 3,930,869,949,532.70 and 1,278,348,768,198.30

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Solution

The fourth proportional to 2,620,579,966,355.10, 3,930,869,949,532.70 and 1,278,348,768,198.30 is: 1,917,523,152,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,579,966,355.10 : 3,930,869,949,532.70 = 1,278,348,768,198.30 : x
  2. Step 2: Convert to fraction form
    2,620,579,966,355.10/3,930,869,949,532.70 = 1,278,348,768,198.30/x
  3. Step 3: Cross multiply
    2,620,579,966,355.10x = 3,930,869,949,532.70 × 1,278,348,768,198.30
  4. Step 4: Simplify right side
    2,620,579,966,355.10x = 5,025,022,757,932,841,056,600,064
  5. Step 5: Solve for x
    x = 5,025,022,757,932,841,056,600,064/2,620,579,966,355.10
  6. Step 6: Final answer
    x = 1,917,523,152,297.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.